VIVIAN HOANG
NPI 1770111312
Radiology - Diagnostic Radiology in Los Angeles, CA
About Vivian Hoang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIVIAN HOANG (NPI 1770111312) is an individual diagnostic radiology provider in Los Angeles, California, licensed in California (A200455) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Kansas City, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Vivian Hoang is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Vivian Hoang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 240 clinicians in this Medicare group
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 554 clinicians in this Medicare group
Newport Beach, CA 92663
- Reassigned Medicare billing, California enrollment
- 64 clinicians in this Medicare group
Newport Beach, CA 92660
- Reassigned Medicare billing, California enrollment
- 74 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Vivian Hoang's NPI number?
The NPI number for Vivian Hoang is 1770111312. It was assigned to this individual provider in the NPPES registry on March 30, 2020.
Where is Vivian Hoang located?
Vivian Hoang practices at 757 Westwood Plz, Los Angeles, CA 90095. The listed phone number is (310) 267-8797.
What is Vivian Hoang's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Vivian Hoang enrolled in Medicare?
Yes. Vivian Hoang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Vivian Hoang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Hoang reassigns Medicare benefits to 4 organizations: Ucla Radiology Medical Group (Los Angeles, CA), Martin Luther King Jr Community Medical Foundation (Los Angeles, CA), Newport Harbor Radiology Associates Medical Group, Inc (Newport Beach, CA) and Newport Center Radiology Associates Medical Group Inc (Newport Beach, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vivian Hoang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Vivian Hoang was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Vivian Hoang · NPI 1770111312
Diagnostic Radiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since March 30, 2020.
## Identity
- **NPI:** 1770111312 (Entity type: Individual)
- **Enumerated:** March 30, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A200455 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 757 WESTWOOD PLZ, Los Angeles, CA 90095-8500
- **Phone:** (310) 267-8797
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Ucla Radiology Medical Group (NPI 1881670248, Los Angeles, CA); Martin Luther King Jr Community Medical Foundation (NPI 1356899777, Los Angeles, CA); Newport Harbor Radiology Associates Medical Group, Inc (NPI 1053355792, Newport Beach, CA); Newport Center Radiology Associates Medical Group Inc (NPI 1013951714, Newport Beach, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2020
## Record status
- **NPPES last updated:** July 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1770111312) · Data from the CMS NPPES public registry.